Page 57 - 2018 DIGITAL BROCHURE

Setting times Storage How to specify
SHOTCRETE AS90 is designed to SHOTCRETE AS90 is packaged in SHOTCRETE AS90 shall be mixed
commence setting at 60 seconds a 25kg polythene inner bag with a and applied to prepared surfaces
and finish setting at 90 seconds at re-sealable tie within a stitch all strictly in accordance with the
20°c. In Winter SHOTCRETE sealed woven polypropylene outer manufacturer’s instructions.
AS90 can be used down to 0°c. bag, which should be stored in dry
The set will be slower but can be conditions and will last for at least Precautions
accelerated with warm water. twelve months. We strongly recommend the use
In very hot temperatures the set of GLOVES, GOGGLES and
will be faster and can be slowed Yield MASK. Please see MSDS sheet
by using cold water. Generally 1 x 25kg bag of for full details.
SHOTCRETE AS90 mixed with a
Cleaning water/cement ratio of 38% will
SHOTCRETE AS90 should be produce approximately 10 litres of
removed from tools and finished mortar.
equipment with water immediately
after use.

Setting time & strength gain

Start Set - 60 Secs at 20°c
End Set - 90 Secs at 20°c

Compressive
Strength (Mpa)
15 mins 3
1 Hour 6
3 Hours 7
24 Hours 23
7 Days 36
28 Days 45

Strength continues to develop thereafter.